/**
 * Copyright (c) 2016-2019 人人开源 All rights reserved.
 *
 * https://www.renren.io
 *
 * 版权所有，侵权必究！
 */

package com.ruoyi.common.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.core.io.Resource;
import org.springframework.stereotype.Component;

import java.io.IOException;

/**
 * Spring Context 工具类
 *
 * @author Mark sunlightcs@gmail.com
 */
@Component
public class SpringContextUtils implements ApplicationContextAware {
	public static ApplicationContext applicationContext; 

	@Override
	public void setApplicationContext(ApplicationContext applicationContext)
			throws BeansException {
		SpringContextUtils.applicationContext = applicationContext;

	}

	/**
	 * 获取容器
	 *
	 * @return context
	 */
	public static ApplicationContext getApplicationContext(){
		return applicationContext;
	}


	public static Object getBean(String name) {
		return applicationContext.getBean(name);
	}

	/**
	 * 获取容器对象
	 *
	 * @param type class
	 * @param <T>  generic
	 * @return bean
	 */
	public static <T> T getBean(Class<T> type){
		return applicationContext.getBean(type);
	}

	public static <T>T getBeanByName(String beanName){
		return (T)applicationContext.getBean(beanName);
	}

	public static <T> T getBean(String name, Class<T> requiredType) {
		return applicationContext.getBean(name, requiredType);
	}

	public static boolean containsBean(String name) {
		return applicationContext.containsBean(name);
	}

	public static boolean isSingleton(String name) {
		return applicationContext.isSingleton(name);
	}

	public static Class<? extends Object> getType(String name) {
		return applicationContext.getType(name);
	}

	public static Resource[] getResources(String pattern){
		try {
			return applicationContext.getResources(pattern);
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
	}

}